<template>
    <div class="app-container">
        <el-table v-loading="listLoading" :data="list" border fit highlight-current-row style="width: 100%">
            <el-table-column align="center" label="ID" width="80">
                <template slot-scope="{row}">
                    <span>{{ row.id }}</span>
                </template>
            </el-table-column>

            <el-table-column width="180px" align="center" label="Date">
                <template slot-scope="{row}">
                    <span>{{ row.timestamp | parseTime('{y}-{m}-{d} {h}:{i}') }}</span>
                </template>
            </el-table-column>

            <el-table-column width="120px" align="center" label="Author">
                <template slot-scope="{row}">
                    <span>{{ row.author }}</span>
                </template>
            </el-table-column>

            <el-table-column width="100px" label="Importance">
                <template slot-scope="{row}">
                    <svg-icon v-for="n in + row.importance" :key="n" icon-class="star" class="meta-item__icon" />
                </template>
            </el-table-column>

            <el-table-column class-name="status-col" label="Status" width="110">
                <template slot-scope="{row}">
                    <el-tag :type="row.status | statusFilter">
                        {{ row.status }}
                    </el-tag>
                </template>
            </el-table-column>

            <el-table-column min-width="300px" label="Title">
                <template slot-scope="{row}">
                    <template v-if="row.edit">
                        <el-input v-model="row.title" class="edit-input" size="small" />
                        <el-button class="cancel-btn" size="small" icon="el-icon-refresh" type="warning" @click="cancelEdit(row)">
                            cancel
                        </el-button>
                    </template>
                    <span v-else>{{ row.title }}</span>
                </template>
            </el-table-column>

            <el-table-column align="center" label="Actions" width="120">
                <template slot-scope="{row}">
                    <el-button v-if="row.edit" type="success" size="small" icon="el-icon-circle-check-outline" @click="confirmEdit(row)">
                        Ok
                    </el-button>
                    <el-button v-else type="primary" size="small" icon="el-icon-edit" @click="row.edit=!row.edit">
                        Edit
                    </el-button>
                </template>
            </el-table-column>
        </el-table>
    </div>
</template>

<script>
import { fetchList } from '@/api/article'

export default {
    name: 'InlineEditTable',
    filters: {
        statusFilter (status) {
            const statusMap = {
                published: 'success',
                draft: 'info',
                deleted: 'danger'
            }
            return statusMap[status]
        }
    },
    data () {
        return {
            list: null,
            listLoading: true,
            listQuery: {
                page: 1,
                limit: 10
            }
        }
    },
    created () {
        this.getList()
    },
    methods: {
        async getList () {
            this.listLoading = true
            const { data } = await fetchList(this.listQuery)
            const items = data.items
            this.list = items.map(v => {
                this.$set(v, 'edit', false) // https://vuejs.org/v2/guide/reactivity.html
                v.originalTitle = v.title //  will be used when user click the cancel botton
                return v
            })
            this.listLoading = false
        },
        cancelEdit (row) {
            row.title = row.originalTitle
            row.edit = false
            this.$message({
                message: '标题已恢复',
                type: 'warning'
            })
        },
        confirmEdit (row) {
            row.edit = false
            row.originalTitle = row.title
            this.$message({
                message: '标题编辑成功',
                type: 'success'
            })
        }
    }
}
</script>

<style scoped>
.edit-input {
    padding-right: 100px;
}
.cancel-btn {
    position: absolute;
    right: 15px;
    top: 10px;
}
</style>
